Cisco 2821 Series Integrated Services Routers
The Cisco 2800 series integrated services router delivers multiple high-quality simultaneous services at wire speed to multiple connections. These routers offer built-in security through embedded encryption acceleration, an intrusion prevention system (IPS) as well as firewall functions. The Cisco 2800 series provides high-density interfaces for a wide range of wired and wireless connectivity as well as plenty of slot density to support network scalability requirements and advanced applications.
The Cisco 2821 comes with four HWIC interface card slots, three PVDM slots, two AIMs, two 10/100/1000 ports, one network module slot, one extension voice module slot and Cisco IOS IP Base Software. The Cisco 2821 comes with defaults of 256MB DRAM (1GB max) and 64MB flash (256MB max).